A single yellow line on a two-lane, two-way road serves the  same purpose.   Some jurisdictions use yellow lines on one-way roadways or divided  highways to indicate the left edge of the roadway. . single yellow line on a two-lane, two-way road serves the  same purpose.   Some jurisdictions use yellow lines on one-way roadways or divided  highways to indicate the left edge of the roadway. .
In most cases, one can acceptably use geniuses as the plural. In fact, when referring to the quality of genius (as opposed to an individual possessing certain qualities or a certain nature), geniuses is the plural that one should normally use. However, when referring to an individual as a genius, the most correct plural is genii (that's three syllables). This is because genius is derived from Latin. It is the first-person masculine singular form of the word. The first-person masculine plural is genii.
Going by definition, a genius is a person who possesses great intelligence and remarkable abilities in a specific subject or displays an exceptional natural capacity of intellect and/or ability, especially in the production of creative and original work, something unparalleled and obscure previously.